Magswitch Lifters are lighter and stronger, pound for pound, than
competitive shunting switchable magnets. The super strong “TRI 50” is
rated at 600 lbs. (3X factor of safety) breakaway on ½ inch and thicker
flat metal. Rated at 300 for round. Stronger on Thinner metals than
Competitive Brands – Holds up to 450 lbs on ΒΌ inch steel (3x safety).